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Finding the Fourth Proportional to 155,750.56, 214,938.03 and 92,094.28

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Solution

The fourth proportional to 155,750.56, 214,938.03 and 92,094.28 is: 127,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,750.56 : 214,938.03 = 92,094.28 : x
  2. Step 2: Convert to fraction form
    155,750.56/214,938.03 = 92,094.28/x
  3. Step 3: Cross multiply
    155,750.56x = 214,938.03 × 92,094.28
  4. Step 4: Simplify right side
    155,750.56x = 19,794,563,117.47
  5. Step 5: Solve for x
    x = 19,794,563,117.47/155,750.56
  6. Step 6: Final answer
    x = 127,091.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.